Omega 231.10.42.21.01.003
Omega Seamaster series, Model: 231.10.42.21.01.003, complete set, diameter: 41.5mm, stainless steel case, black teak dial, automatic movement, chronometer certified, date display, 60-hour power reserve, sapphire crystal, 150-meter water resistance, stainless steel strap, suitable for both business and sports.